Contextual Bandit Algorithms Route Prompts to LLM Experts with Sublinear Regret
Wang Wei · hf · 2026-09-14
A new paper on Hugging Face, Online Learning with LLM Experts from Limited Feedback, formulates adaptive prompt routing across LLM experts as a contextual bandit problem with limited feedback.
- Provides algorithms with sublinear regret bounds for this setting.
- Demonstrates effective routing strategies in practice, offering a principled way to assign requests to the right LLM expert.
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